CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net earnings	$ 45,276	$ 29,219
Adjustments to reconcile net earnings to cash provided by operating activities:
Depreciation and amortization	17,347	15,538
Provision for (recovery of) losses on receivables	123	(58)
LIFO expense	5,087	357
Deferred income tax benefit	(1,200)	(1,057)
Excess tax benefit from share-based compensation	(2,461)	(785)
Share-based compensation expense	2,987	2,406
Pension expense	6,990	5,895
Postretirement obligation	625	305
Loss (gain) on disposition of property, plant and equipment	828	(266)
Loss from discontinued operations	0	12
Changes in:
Receivables, net	(34,440)	(24,044)
Income tax receivable	(231)	1,243
Inventories	(38,929)	(17,291)
Other current assets	(398)	38
Accounts payable	20,348	10,699
Accrued liabilities	13,165	10,000
Net cash provided by operating activities	35,117	32,211
Cash flows from investing activites:
Additions to property, plant and equipment	(79,592)	(44,406)
Proceeds from disposition of property, plant and equipment	897	476
Decrease in other assets	355	63
Acquisition of other companies	(20,482)	(1,842)
Net cash used in investing activities	(98,822)	(45,709)
Cash flows from financing activites:
Proceeds from long-term debt	20,000
Payments of notes payable	0	(1,013)
Dividends paid	(11,419)	(11,231)
Excess tax benefit from share-based compensation	2,461	785
Proceeds from exercise of stock options	4,305	5,503
Net cash provided by (used in) financing activities	15,347	(5,956)
Effect of translation on cash and cash equivalents	(614)	75
Net decrease in cash and cash equivalents	(48,972)	(19,379)
Cash and cash equivalents at beginning of period	88,592	100,858
Cash and cash equivalents at end of period	$ 39,620	$ 81,479